/*
 * Copyright (C) 2009 Leandro Aparecido <lehphyro@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.metalframework.jsf.action;

public abstract class ActionInvocationAccessor {
	
	private static final ThreadLocal<ActionInvocation> actionInvocationStorage = new ThreadLocal<ActionInvocation>();

	public static ActionInvocation getActionInvocation() {
		return actionInvocationStorage.get();
	}

	public static ActionInvocation getRequiredActionInvocation() {
		ActionInvocation invocation = getActionInvocation();
		if (invocation == null) {
			throw new IllegalArgumentException("Action invocation context not found");
		}
		return invocation;
	}

	public static void setActionInvocation(ActionInvocation actionInvocation) {
		actionInvocationStorage.set(actionInvocation);
	}
}
